Engine-Codes - Generic - B0432

B0432 Code - Low Voltage Level On The Control Circuit Of The RR Defog Relay

- Code Popularity: 2,065 Views
- Repair Importance Level: 1/3
- Repair Difficulty Level: 2/3
Table of contents

|What are the Possible Causes of the Code B0432?

  • Faulty Defog Relay
  • Defog Relay harness is open or shorted
  • Defog Relay circuit poor electrical connection
  • Faulty Body Control Module (BCM)

|How to Fix the B0432 Code?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

|What is the Cost to Diagnose the Code B0432?

Labor: 1.0

The cost to diagnose the B0432 code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

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|What are Code B0432 Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|What Does the B0432 Code Mean?

The Body Control Module (BCM) monitors the voltage level on the control circuit of the RR DEFOG relay. The voltage level should be near system voltage while the RR DEFOG relay is de-energized. The voltage will be pulled low when the BCM energizes the RR DEFOG relay. The BCM test the control circuit of the RR DEFOG relay while the relay is de-energized.

Low Voltage Level On The Control Circuit Of The RR Defog Relay

|Need more Information on the B0432 Code?

Need more information on how to fix the B0432 code? Get Access to Factory Service Manuals

|Code B0432 Information for Specific Makes

  • B0432 Buick Low Voltage Level On The Control Circuit Of The RR Defog Relay
  • B0432 Cadillac Low Voltage Level On The Control Circuit Of The RR Defog Relay
  • B0432 Chevrolet Low Voltage Level On The Control Circuit Of The RR Defog Relay
  • B0432 GMC Low Voltage Level On The Control Circuit Of The RR Defog Relay

|Need Help with the B0432 Code?

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